Q21Multiple choice
Disposable plastic plates should not be used because
- (a)they are made of materials with light weight
- (b)they are made of toxic materials
- (c)they are made of biodegradable materials
- (d)they are made of non-biodegradable materials 5JQTV #PUYGT 3WGUVKQPU
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(d) they are made of non-biodegradable materials 5JQTV #PUYGT 3WGUVKQPU